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Two rectangular lithium-ion camera batteries with dark grey plastic casing and gold contacts

Kastar

Kastar NP-FF50 2-Pack camera battery 900mAh 7.2V 6.48Wh

SKU CH-AR4Q-4X8F0

Two lithium-ion batteries rated 7.2V 900mAh 6.48Wh replace Sony NP-FF50/51/70/71 packs for compatible Handycam models

  • Total capacity6.48 Wh
  • Pack contents2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 2 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Longer shooting sessions with 900mAh 7.2V lithium-ion cells
  • Two batteries in one pack for extended use
  • Built-in protection against over-charge and over-heating
  • Meets UL1642 and CE safety standards
  • Fits Sony NP-FF50, NP-FF70 and listed Handycam models

Two-Pack Replacement for Sony Handycam

This pack contains two Kastar lithium-ion batteries built to replace Sony NP-FF50, NP-FF51, NP-FF51S, NP-FF70, NP-FF71 and NP-FF71S cells. They fit a wide range of Handycam models including the DCR-IP series, DCR-PC series and DCR-HC1000. Each unit delivers 7.2 V and 900 mAh for extended shooting sessions.

Built-In Protection and Energy Rating

The cells carry UL1642 and CE safety certifications and include over-charge, over-discharge, over-voltage, over-current and over-heating circuits. Rated at 6.48 Wh, they are designed for stable output during normal camcorder use without excessive heat buildup.

Capacity Decides Suitability

At 900 mAh these batteries suit owners who need a direct replacement for the original NP-FF50 capacity. Buyers who want more storage per cell will need a higher-capacity alternative.

How it compares

Measured against everything we stock in Camera Batteries, Grips & Chargers, at today’s prices. Recalculated every night.

Price $19.99
Pricier than about 60% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FF50, NP-FF51, NP-FF51S
Part numberBA-2B-FF50-B
Total capacity6.48 Wh
Product typeBattery
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 2 in
In the box
Pack contents2 Batteries

Questions about this item

How do I install the NP-FF50 battery in my Sony DCR-IP220 and what step is often missed?

Slide the battery into the compartment until the latch clicks; the step people skip is confirming the 7.2 V label faces outward so the contacts align.

What maintenance will the NP-FF50 pack need over its cycle life?

Store at roughly half charge in a cool place, recharge every few months if unused, and replace both cells when run time drops below half of the original 900 mAh capacity.

What limit appears first during continuous recording with the NP-FF50?

The 6.48 Wh capacity typically runs out before thermal protection activates, so recording stops when the charge is depleted.

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